Sorry for Off-topic!
Description of audio problem : no sound, unrecognized , audio only over DP, HDMI, USB
OS X version/motherboard model/BIOS version/processor/graphics : Mojave 10.14.1 / MB ASUS Maximus XI Hero / bios version 0602 / Processor I7-8700K / AMD Sapphire RX580 Pulse...